Setup SSL by Let's Encrypt

Certbot by Docker

sh

## for create
docker run -it --rm -p 81:80 --name letsencrypt -v "/etc/letsencrypt:/etc/letsencrypt"  certbot/certbot certonly --standalone -d {HOST}

## {HOST} : mysite.com, example.com, www.example.coim

sh

## for renew
docker run -it --rm -p 81:80 --name letsencrypt -v "/etc/letsencrypt:/etc/letsencrypt"  certbot/certbot renew

if use nginx reload nginx config

sh

docker exec {NGINX_CONTAINER_NAME} nginx -s reload